I like to think that I am sometimes optimistic in the way you describe because there is just too many negative things happening around that you do whatever you can not to drown in the ocean of sadness and pain.

yea its good if we do not get hurt how will we learn we will be like that innocent 2 year old who do not know what is happening , so hurting is part of living too and aging everyone is going to get old and they have more wisdom and experience than us